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Đáp án A
Giải thích: Dựa vào câu: “Scientists are quick to state that the presence of these organic molecules is not sufficient evidence for ancient life on Mars, as the molecules could have been formed by non-living processes.”.
Dịch: Các nhà khoa học nhanh chóng tuyên bố rằng sự có mặt của các phân tử hữu cơ không đủ bằng chứng để chứng minh có sự sống trước đây trên sao Hoả, vì các phân tử đó có thể được hình thành từ các quá trình không có sự sống.
20. I _would go_ out if I hadn't been so tired
21. If I _had_ a camera, I would have taken some pictures
22. You won't pass the examination _unless_ you study more
23. If only I _knew_ you wanted to invest money in business
24. If I were to leave my country, I _would be_ disappointed
25. If he hadn't wasted too much time, he _wouldn't have failed_ in his examination
26. If I had taken that English course, I _would have made_ much progress
III. Choose the best option.
20. I…………..out if I hadn’t been so tired.
a. will go b. went c. would have gone d. would go.
21. If I ………..a camera, I would have taken some pictures.
a. have b. had c. would have d. had had.
22. You won’t pass the examination……………you study more.
a. as long as b. unless c. if d. whether.
23. If only I …………you wanted to invest money in business.
a. had known b. knew c. have known d. know.
24. If I were to leave my country , I ……………disappointed.
a. probably be b. would have been c. will be d. would be.
25. If he hadn’t wasted too much time, he…………….in his examination.
a. would fail b. wouldn’t fail c. wouldn’t have failed. d. won’t fail.
26. If I had taken that English course, I ………..much progress.
a. had made b. would have made c. made d. would make.
1. Susan used to __________ camping when she was a student.
A. went B. goes C. going D. go
2. He is not_______ drive a car.
A. enough old to B. enough old for C. old enough to D. old enough for
3. The teacher advised the children __________ and see the dentist regularly.
A. went B. going C. go D. to go
4. The Eiffel Tower____________ by the French civil engineer Alexander Gustave Eiffel for the Paris World’s Fair of 1889.
A. is designed B. was designed C. were designed D. designed
5. My father was taking a shower while my mother ____________ the weather forecast.
A. watched B. watches C. is watching D. was watching
6. I _______________________my room yet.
A. haven’t cleaned and tidied B. cleaned and tidied
C. have cleaned and tidied D. clean and tidy
7. You have never been to Ho Chi Minh city,____________, Peter?
A. doesn't he B. have you C. aren't you D. haven't you
8. The man______________ to Hoa is my English teacher, Mr John Smith.
A. talks B. to talk C. talking D. talked
9. A newspaper ____________is published every day is called a daily newspaper .
A. which B. what C. it D. its
10. ________ the traffic was bad yesterday, Miss Nga arrived at her office on time.
A. Because B. Although C. In spite of D. Despite
11. People are destroying their environment. _______________, they will suffer from pollution.
A. However B. Therefore C. But D. So
12. It's very hot today. I wish I_________on the beach now.
A. am B. was C. were D. had been
13. I don't really believe his story. - ________________ .
A. I don't, too B. I don't neither C. I don't either D. Neither don't I
14. Unless you ____________all of my questions, I can’t do anything to help you.
A. answered B. are answering C. answer D. would answer
15. Let’s go out for dinner, _______________?
A. are we B. don’t you C. will you D. shall we
16.He got wet ______________ he did not take a raincoat.
A. so B. because C. but D. though
17. ___________________ waiting for me a few minutes?
A. Would you like B. Why don’t we
C. Would you mind D. Could you please
18. Last Sunday it was _____________wet_____________ we couldn’t go to the movies.
A. so-that B. too-to C. less-than D. such-that
19. " What time does the manager come back?" the customer asked.
The customer wanted ____________________________________.
A. knowing what time the manager came back
B. to know what time the manager came back
C. to know what time the manager comes back
D. to know what time does the manager come back
20. The government has had new houses _____________ in the rural areas.
A. build B. building C. built D. to be built
Đáp án: C
Giải thích: Dựa vào câu: “The organic molecules were found in Mars's Gale Crater, a large area that may have been a watery lake over three billion years ago.”.
Dịch: Hợp chất hữu cơ này được tìm ở khu vực Gale Crater của sao Hoả, một khu vực lớn mà ở đó có thể đã có một hồ nước 3 tỉ năm trước
Đáp án C
Giải thích: Dựa vào câu: “The organic molecules were found in Mars's Gale Crater, a large area that may have been a watery lake over three billion years ago.”.
Dịch: Hợp chất hữu cơ này được tìm ở khu vực Gale Crater của sao Hoả, một khu vực lớn mà ở đó có thể đã có một hồ nước 3 tỉ năm trước.
Đáp án: A
Giải thích: Dựa vào câu: “The rocks also contain sulfur, which scientists speculate helped preserve the organics even when the rocks were exposed to the harsh radiation on the surface of the planet.”.
Dịch: Những hòn đá cũng chứa lưu huỳnh, cái mà các nhà khoa học cho rằng giúp lưu trữ các chất hữu cơ khi đá tiếp xúc với bức xạ khắc nghiệt trên bề mặt của hành tinh
Đáp án A
Giải thích: Dựa vào câu: “The rocks also contain sulfur, which scientists speculate helped preserve the organics even when the rocks were exposed to the harsh radiation on the surface of the planet.”.
Dịch: Những hòn đá cũng chứa lưu huỳnh, cái mà các nhà khoa học cho rằng giúp lưu trữ các chất hữu cơ khi đá tiếp xúc với bức xạ khắc nghiệt trên bề mặt của hành tinh.
Đáp án B
Giải thích: Dựa vào câu: “Scientists are quick to state that the presence of these organic molecules is not sufficient evidence for ancient life on Mars…”.
Dịch: Các nhà khoa học nhanh chóng tuyên bố rằng sự có mặt của các phân tử hữu cơ không đủ bằng chứng để chứng minh có sự sống trước đây trên sao Hoả
Đáp án: B
Giải thích: Dựa vào câu: “Scientists are quick to state that the presence of these organic molecules is not sufficient evidence for ancient life on Mars…”.
Dịch: Các nhà khoa học nhanh chóng tuyên bố rằng sự có mặt của các phân tử hữu cơ không đủ bằng chứng để chứng minh có sự sống trước đây trên sao Hoả…
1. He didn't know why pluto _______ as a ''dwarf planet".
a. was reclassified b. were reclassified c. had been reclassified d. had reclassified
Anh không biết tại sao sao Diêm Vương lại được phân loại thành '' hành tinh lùn ".
2. if parents __________ to radiation, their sons may possibly have birth defects.
a. are exposed b. is exposed c. was exposed d. were exposed
Nếu cha mẹ tiếp xúc với bức xạ, con họ có thể bị dị tật bẩm sinh.
3. the journalist wanted to know if she _______ an appointment with you for a quick interview.
a. can get b. can make c. could get d. could make
make + an appointment: lên lịch hẹn; vế trước "wanted" ở quá khứ => dùng could
Nhà báo muốn biết liệu cô ấy có thể lên lịch một cuộc phỏng vấn nhanh hay không.